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Weather Averages for
Norristown, PA
Latitude: 40°7'N,
Longitude: 75°21'W,
Elevation: 21.3 m,
Distance: 1.08 km
Average temperature
over 30 years |
°C |
12 |
-1 |
0 |
5 |
11 |
17 |
22 |
24 |
23 |
19 |
13 |
7 |
1 |
Average high temperature
over 30 years |
°C |
17 |
3 |
5 |
10 |
17 |
23 |
27 |
30 |
29 |
25 |
19 |
13 |
6 |
Average low temperature
over 30 years |
°C |
6 |
-5 |
-4 |
0 |
5 |
10 |
16 |
18 |
17 |
13 |
6 |
2 |
-2 |
Average precipitation
over 30 years |
cm |
112.8 |
8.4 |
7.6 |
8.9 |
9.4 |
10.7 |
9.1 |
11.4 |
10.4 |
10.4 |
7.6 |
9.7 |
9.1 |
Heating degree days
over 30 years |
days |
5114 |
1091 |
913 |
722 |
390 |
121 |
8 |
- |
- |
55 |
305 |
579 |
930 |
Cooling degree days
over 30 years |
days |
1022 |
- |
- |
- |
- |
46 |
206 |
338 |
301 |
115 |
16 |
- |
- |
Check weather averages for nearby locations (some locations might offer more data):
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